DE3922440A1 - Rotationswinkeldetektor - Google Patents

Rotationswinkeldetektor

Info

Publication number
DE3922440A1
DE3922440A1 DE3922440A DE3922440A DE3922440A1 DE 3922440 A1 DE3922440 A1 DE 3922440A1 DE 3922440 A DE3922440 A DE 3922440A DE 3922440 A DE3922440 A DE 3922440A DE 3922440 A1 DE3922440 A1 DE 3922440A1
Authority
DE
Germany
Prior art keywords
detector
housing
rotation angle
shaft
detector unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE3922440A
Other languages
German (de)
English (en)
Other versions
DE3922440C2 (US06272168-20010807-M00014.png
Inventor
Ikeuchi Masayuki
Okamura Koichi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3922440A1 publication Critical patent/DE3922440A1/de
Application granted granted Critical
Publication of DE3922440C2 publication Critical patent/DE3922440C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE3922440A 1988-08-05 1989-07-07 Rotationswinkeldetektor Granted DE3922440A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988103202U JPH0225816U (US06272168-20010807-M00014.png) 1988-08-05 1988-08-05

Publications (2)

Publication Number Publication Date
DE3922440A1 true DE3922440A1 (de) 1990-02-08
DE3922440C2 DE3922440C2 (US06272168-20010807-M00014.png) 1992-09-17

Family

ID=14347932

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3922440A Granted DE3922440A1 (de) 1988-08-05 1989-07-07 Rotationswinkeldetektor

Country Status (4)

Country Link
US (1) US4965445A (US06272168-20010807-M00014.png)
JP (1) JPH0225816U (US06272168-20010807-M00014.png)
KR (1) KR940006854Y1 (US06272168-20010807-M00014.png)
DE (1) DE3922440A1 (US06272168-20010807-M00014.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139040A1 (de) * 1990-11-27 1992-06-04 Mitsubishi Electric Corp Zuendverteiler mit eingebautem kurbelwinkelsensor
EP0720005A2 (en) * 1994-12-27 1996-07-03 Canon Kabushiki Kaisha Optical sensor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355865A (en) * 1992-07-10 1994-10-18 Mitsubishi Denki Kabushiki Kaisha Crankshaft angle sensor for an internal combustion engine
GB9316851D0 (en) * 1993-08-13 1993-09-29 Lucas Ind Plc Enhanced position signals in optical torque sensors
GB2293876A (en) * 1994-10-05 1996-04-10 Motorola Semiconducteurs Rotation sensor
GB2298946B (en) * 1995-03-15 1998-10-14 Gem Vending Ltd Improvements in or relating to transport apparatus
US5923032A (en) * 1997-05-02 1999-07-13 Oak Industries Inc. Interaligned component optical encoder with integral housing component locating studs and shelf
FR2776562B1 (fr) * 1998-03-30 2000-05-26 Eastman Kodak Co Commande de l'alimentation en colorant d'une machine de moulage
JPH11351912A (ja) * 1998-06-05 1999-12-24 Yaskawa Electric Corp 光学式エンコーダ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480367A (en) * 1966-05-23 1969-11-25 North American Rockwell Triaxial optical alignment
JPH0637815U (ja) * 1992-10-28 1994-05-20 オリンパス光学工業株式会社 光軸調整機構

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476405A (en) * 1974-06-07 1977-06-16 Vactoric Control Equip Optical encoder
US4182953A (en) * 1978-01-17 1980-01-08 General Atomic Company Rotating shaft pulse generating apparatus
JPS56151315A (en) * 1980-04-25 1981-11-24 Nippon Denso Co Ltd Flow rate detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480367A (en) * 1966-05-23 1969-11-25 North American Rockwell Triaxial optical alignment
JPH0637815U (ja) * 1992-10-28 1994-05-20 オリンパス光学工業株式会社 光軸調整機構

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139040A1 (de) * 1990-11-27 1992-06-04 Mitsubishi Electric Corp Zuendverteiler mit eingebautem kurbelwinkelsensor
EP0720005A2 (en) * 1994-12-27 1996-07-03 Canon Kabushiki Kaisha Optical sensor
EP0720005A3 (en) * 1994-12-27 1997-01-15 Canon Kk Optical sensor
US5742391A (en) * 1994-12-27 1998-04-21 Canon Kabushiki Kaisha Optical type sensor for use as an optical measuring head or optical pickup

Also Published As

Publication number Publication date
JPH0225816U (US06272168-20010807-M00014.png) 1990-02-20
US4965445A (en) 1990-10-23
DE3922440C2 (US06272168-20010807-M00014.png) 1992-09-17
KR940006854Y1 (ko) 1994-10-01
KR900005347U (ko) 1990-03-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition